IE71165B1 - AGC isolation of information in TDMA systems - Google Patents
AGC isolation of information in TDMA systemsInfo
- Publication number
- IE71165B1 IE71165B1 IE330489A IE330489A IE71165B1 IE 71165 B1 IE71165 B1 IE 71165B1 IE 330489 A IE330489 A IE 330489A IE 330489 A IE330489 A IE 330489A IE 71165 B1 IE71165 B1 IE 71165B1
- Authority
- IE
- Ireland
- Prior art keywords
- information
- interest
- transmission
- processing
- isolated
- Prior art date
Links
- 238000002955 isolation Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000001413 cellular effect Effects 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 claims 1
- 230000000063 preceeding effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000002022 differential scanning fluorescence spectroscopy Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3078—Circuits generating control signals for digitally modulated signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/10—Arrangements for reducing cross-talk between channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/277,724 US5638375A (en) | 1988-11-30 | 1988-11-30 | AGC isolation of information in TDMA systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE893304L IE893304L (en) | 1990-05-30 |
| IE71165B1 true IE71165B1 (en) | 1997-01-29 |
Family
ID=23062099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE330489A IE71165B1 (en) | 1988-11-30 | 1989-10-13 | AGC isolation of information in TDMA systems |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5638375A (es) |
| EP (1) | EP0372759B1 (es) |
| JP (1) | JPH04503438A (es) |
| KR (1) | KR930008701B1 (es) |
| AT (1) | ATE124581T1 (es) |
| CA (1) | CA2001019C (es) |
| DE (1) | DE68923257T2 (es) |
| DK (1) | DK101791A (es) |
| ES (1) | ES2073445T3 (es) |
| IE (1) | IE71165B1 (es) |
| IL (1) | IL92001A (es) |
| MX (1) | MX172192B (es) |
| PT (1) | PT92432B (es) |
| TR (1) | TR25684A (es) |
| WO (1) | WO1990006641A1 (es) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2243733A (en) * | 1990-05-01 | 1991-11-06 | Orbitel Mobile Communications | Gain control based on average amplitude of i/p signal |
| GB2247793A (en) * | 1990-09-06 | 1992-03-11 | Motorola Inc | Control of pulse power amplifier rise and fall |
| KR970000793B1 (ko) * | 1991-01-16 | 1997-01-20 | 모토로라 인코포레이티드 | 수신기 버스트 신호의 진폭제어 |
| US5369786A (en) * | 1991-05-01 | 1994-11-29 | Motorola, Inc. | Enhanced power level usage in a radiotelephone system |
| FR2694853A1 (fr) * | 1992-08-14 | 1994-02-18 | Trt Telecom Radio Electr | Système de transmissions d'informations comportant au moins une station de base et une station satellite et station faisant partie d'un tel système. |
| DE59409743D1 (de) * | 1993-06-25 | 2001-06-13 | Siemens Ag | Verfahren zur Optimierung der automatischen Verstärkereinstellung in Funkempfängern |
| FI97765C (fi) * | 1993-11-26 | 1997-02-10 | Nokia Mobile Phones Ltd | Menetelmä sekä kytkentäjärjestely kutsuviestien käsittelemiseksi matkaviestimessä |
| US5493712A (en) * | 1994-03-23 | 1996-02-20 | At&T Corp. | Fast AGC for TDMA radio systems |
| DE4410174A1 (de) * | 1994-03-24 | 1995-09-28 | Sel Alcatel Ag | Handfunkgerät |
| CA2206624A1 (en) * | 1996-06-10 | 1997-12-10 | Krzysztof Duch | Method of establishing a spatially normalized communication path in a networked communications system |
| US5930243A (en) * | 1996-10-11 | 1999-07-27 | Arraycomm, Inc. | Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing |
| US6275543B1 (en) | 1996-10-11 | 2001-08-14 | Arraycomm, Inc. | Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing |
| US6463295B1 (en) | 1996-10-11 | 2002-10-08 | Arraycomm, Inc. | Power control with signal quality estimation for smart antenna communication systems |
| US7035661B1 (en) | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
| US7299071B1 (en) | 1997-12-10 | 2007-11-20 | Arraycomm, Llc | Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
| DE19805547C1 (de) * | 1998-02-11 | 1999-09-09 | Siemens Ag | Digitaler Empfänger mit automatischer Verstärkungsregelung |
| US8538322B1 (en) * | 1998-02-23 | 2013-09-17 | Qualcomm Incorporated | Transmit and admission control for CDMA satellite communication system |
| US6615024B1 (en) * | 1998-05-01 | 2003-09-02 | Arraycomm, Inc. | Method and apparatus for determining signatures for calibrating a communication station having an antenna array |
| US6208626B1 (en) | 1998-12-24 | 2001-03-27 | Charles R. Brewer | Real-time satellite communication system using separate control and data transmission paths |
| US20020167918A1 (en) * | 1998-12-24 | 2002-11-14 | Brewer Charles R. | Real-time satellite communication system using separate control and data transmission paths |
| US6600914B2 (en) | 1999-05-24 | 2003-07-29 | Arraycomm, Inc. | System and method for emergency call channel allocation |
| US6141567A (en) | 1999-06-07 | 2000-10-31 | Arraycomm, Inc. | Apparatus and method for beamforming in a changing-interference environment |
| US7139592B2 (en) * | 1999-06-21 | 2006-11-21 | Arraycomm Llc | Null deepening for an adaptive antenna based communication station |
| US6985466B1 (en) | 1999-11-09 | 2006-01-10 | Arraycomm, Inc. | Downlink signal processing in CDMA systems utilizing arrays of antennae |
| US7065164B1 (en) * | 2000-07-17 | 2006-06-20 | Mitsubishi Denki Kabushiki Kaisha | Automatic gain control and wireless communication device |
| US7062294B1 (en) | 2000-09-29 | 2006-06-13 | Arraycomm, Llc. | Downlink transmission in a wireless data communication system having a base station with a smart antenna system |
| US6982968B1 (en) | 2000-09-29 | 2006-01-03 | Arraycomm, Inc. | Non-directional transmitting from a wireless data base station having a smart antenna system |
| US6795409B1 (en) | 2000-09-29 | 2004-09-21 | Arraycomm, Inc. | Cooperative polling in a wireless data communication system having smart antenna processing |
| DK1458117T3 (da) * | 2000-10-19 | 2006-10-30 | Interdigital Tech Corp | TDD modtager med seletiv aktiveret AGC-signalmåleenhed |
| US7085255B2 (en) * | 2000-10-19 | 2006-08-01 | Interdigital Technology Corporation | Selectively activated AGC signal measurement unit |
| US7151759B1 (en) * | 2001-03-19 | 2006-12-19 | Cisco Systems Wireless Networking (Australia) Pty Limited | Automatic gain control and low power start-of-packet detection for a wireless LAN receiver |
| US6934327B1 (en) * | 2001-04-23 | 2005-08-23 | Rockwell Collins | Acquisition of a continuous-phase modulation waveform |
| WO2003039043A1 (en) * | 2001-10-16 | 2003-05-08 | Telefonaktiebolaget Lm Ericsson | Synchronisation of mobile equipment in time division duplex cdma system |
| KR100524730B1 (ko) * | 2002-11-02 | 2005-10-31 | 엘지전자 주식회사 | 이동 통신 시스템의 초기 동기 검색 방법 |
| JP2010130118A (ja) * | 2008-11-25 | 2010-06-10 | Sony Corp | 送信装置、受信装置、通信システム、および、受信装置における処理方法 |
| US20120287917A1 (en) * | 2009-09-18 | 2012-11-15 | Qualcomm Incorporated | Common Channel Configuration to Facilitate Measurement for Handover in TD-SCDMA Systems |
| EP3753104B1 (en) * | 2018-02-13 | 2023-04-05 | Hitachi Energy Switzerland AG | Automatic gain control in a wireless communication network for power grid control |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3257651A (en) * | 1962-04-18 | 1966-06-21 | Lyle D Feisel | Pulse position modulation information handling system |
| US3746993A (en) * | 1971-12-27 | 1973-07-17 | Ncr | Carrier detection circuit |
| DE3069679D1 (en) * | 1980-12-08 | 1985-01-03 | Ibm | Method of transmitting information between stations attached to a unidirectional transmission ring |
| US4500987A (en) * | 1981-11-24 | 1985-02-19 | Nippon Electric Co., Ltd. | Loop transmission system |
| FR2520952A1 (fr) * | 1982-02-03 | 1983-08-05 | Trt Telecom Radio Electr | Dispositif de controle automatique de gain (cag) a action rapide |
| JPS59246A (ja) * | 1982-06-17 | 1984-01-05 | Fujitsu Ltd | トレ−ニング方式 |
| GB2125653B (en) * | 1982-08-04 | 1986-08-13 | Plessey Co Plc | Improved time slot arrangements for local area network systems |
| US4554508A (en) * | 1983-12-07 | 1985-11-19 | American Microsystems, Incorporated | Carrier detection circuit |
| US4630267A (en) * | 1983-12-23 | 1986-12-16 | International Business Machines Corporation | Programmable timing and synchronization circuit for a TDMA communications controller |
| US4625240A (en) * | 1984-07-25 | 1986-11-25 | Eeco, Inc. | Adaptive automatic gain control |
| JPS6173416A (ja) * | 1984-09-19 | 1986-04-15 | Nec Corp | 自動周波数制御・自動利得制御回路 |
| JPS61105143A (ja) * | 1984-10-29 | 1986-05-23 | Nec Corp | バ−スト信号検出装置 |
| FR2576472B1 (fr) * | 1985-01-22 | 1988-02-12 | Alcatel Thomson Faisceaux | Procede et dispositif de commande automatique de gain d'un recepteur en acces multiple a repartition temporelle |
| JPS61170150A (ja) * | 1985-01-24 | 1986-07-31 | Nec Corp | 時分割多元接続方式における基準局の従局制御装置 |
| US4742512A (en) * | 1985-07-19 | 1988-05-03 | Nec Corporation | Multipoint communication system having polling and reservation schemes |
| JPS62214739A (ja) * | 1986-03-15 | 1987-09-21 | Nec Corp | 同期制御方式 |
| US4745599A (en) * | 1987-01-05 | 1988-05-17 | General Electric Company | Random access communication system with contention scheduling of subpacketized data transmissions and scheduled retransmission of unsuccessful subpackets |
| US4852090A (en) * | 1987-02-02 | 1989-07-25 | Motorola, Inc. | TDMA communications system with adaptive equalization |
| JPH07105751B2 (ja) * | 1987-02-02 | 1995-11-13 | モトローラ・インコーポレーテツド | 適応等化器制御機能を具備する時分割多元接続（ｔｄｍａ）通信システム |
| US4979170A (en) * | 1988-01-19 | 1990-12-18 | Qualcomm, Inc. | Alternating sequential half duplex communication system |
| CA1288878C (en) * | 1988-08-15 | 1991-09-10 | John D. Mcnicol | Timing and carrier recovery in tdma without preamable sequence |
-
1988
- 1988-11-30 US US07/277,724 patent/US5638375A/en not_active Expired - Fee Related
-
1989
- 1989-10-13 IE IE330489A patent/IE71165B1/en not_active IP Right Cessation
- 1989-10-16 IL IL9200189A patent/IL92001A/en not_active IP Right Cessation
- 1989-10-19 CA CA002001019A patent/CA2001019C/en not_active Expired - Fee Related
- 1989-11-13 KR KR1019900701597A patent/KR930008701B1/ko not_active IP Right Cessation
- 1989-11-13 WO PCT/US1989/004966 patent/WO1990006641A1/en unknown
- 1989-11-13 JP JP2501197A patent/JPH04503438A/ja active Pending
- 1989-11-15 MX MX018382A patent/MX172192B/es unknown
- 1989-11-23 EP EP89312184A patent/EP0372759B1/en not_active Expired - Lifetime
- 1989-11-23 DE DE68923257T patent/DE68923257T2/de not_active Expired - Fee Related
- 1989-11-23 ES ES89312184T patent/ES2073445T3/es not_active Expired - Lifetime
- 1989-11-23 AT AT89312184T patent/ATE124581T1/de active
- 1989-11-28 PT PT92432A patent/PT92432B/pt active IP Right Revival
- 1989-11-30 TR TR89/1029A patent/TR25684A/xx unknown
-
1991
- 1991-05-28 DK DK101791A patent/DK101791A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL92001A (en) | 1994-02-27 |
| DE68923257D1 (de) | 1995-08-03 |
| KR900702680A (ko) | 1990-12-08 |
| PT92432B (pt) | 1994-02-28 |
| PT92432A (pt) | 1990-05-31 |
| DE68923257T2 (de) | 1996-02-15 |
| TR25684A (tr) | 1993-06-14 |
| EP0372759A3 (en) | 1992-02-19 |
| CA2001019C (en) | 1997-04-22 |
| IE893304L (en) | 1990-05-30 |
| US5638375A (en) | 1997-06-10 |
| ATE124581T1 (de) | 1995-07-15 |
| DK101791D0 (da) | 1991-05-28 |
| KR930008701B1 (ko) | 1993-09-13 |
| EP0372759B1 (en) | 1995-06-28 |
| WO1990006641A1 (en) | 1990-06-14 |
| JPH04503438A (ja) | 1992-06-18 |
| CA2001019A1 (en) | 1990-05-31 |
| MX172192B (es) | 1993-12-07 |
| ES2073445T3 (es) | 1995-08-16 |
| IL92001A0 (en) | 1990-07-12 |
| DK101791A (da) | 1991-06-25 |
| EP0372759A2 (en) | 1990-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |